15517840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 39872448

約数和(自身を除く): 24354608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 347, 430, 520, 559, 688, 694, 860, 1040, 1118, 1388, 1720, 1735, 2236, 2776, 2795, 3440, 3470, 4472, 4511, 5552, 5590, 6940, 8944, 9022, 11180, 13880, 14921, 18044, 22360, 22555, 27760, 29842, 36088, 44720, 45110, 59684, 72176, 74605, 90220, 119368, 149210, 180440, 193973, 238736, 298420, 360880, 387946, 596840, 775892, 969865, 1193680, 1551784, 1939730, 3103568, 3879460, 7758920, 15517840]

約数ペア:

[(1, 15517840), (2, 7758920), (4, 3879460), (5, 3103568), (8, 1939730), (10, 1551784), (13, 1193680), (16, 969865), (20, 775892), (26, 596840), (40, 387946), (43, 360880), (52, 298420), (65, 238736), (80, 193973), (86, 180440), (104, 149210), (130, 119368), (172, 90220), (208, 74605), (215, 72176), (260, 59684), (344, 45110), (347, 44720), (430, 36088), (520, 29842), (559, 27760), (688, 22555), (694, 22360), (860, 18044), (1040, 14921), (1118, 13880), (1388, 11180), (1720, 9022), (1735, 8944), (2236, 6940), (2776, 5590), (2795, 5552), (3440, 4511), (3470, 4472)]